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require "rexml/child"
require "rexml/source"

module REXML
  # Represents an XML Instruction; IE, <? ... ?>
  # TODO: Add parent arg (3rd arg) to constructor
  class Instruction < Child
    START = '<\?'
    STOP = '\?>'

    # target is the "name" of the Instruction; IE, the "tag" in <?tag ...?>
    # content is everything else.
    attr_accessor :target, :content

    # Constructs a new Instruction
    # @param target can be one of a number of things.  If String, then
    # the target of this instruction is set to this.  If an Instruction,
    # then the Instruction is shallowly cloned (target and content are
    # copied).  If a Source, then the source is scanned and parsed for
    # an Instruction declaration.
    # @param content Must be either a String, or a Parent.  Can only
    # be a Parent if the target argument is a Source.  Otherwise, this
    # String is set as the content of this instruction.
    def initialize(target, content=nil)
      if target.kind_of? String
        super()
        @target = target
        @content = content
      elsif target.kind_of? Instruction
        super(content)
        @target = target.target
        @content = target.content
      end
      @content.strip! if @content
    end

    def clone
      Instruction.new self
    end

    # == DEPRECATED
    # See the rexml/formatters package
    #
    def write writer, indent=-1, transitive=false, ie_hack=false
      Kernel.warn( "#{self.class.name}.write is deprecated" )
      indent(writer, indent)
      writer << START.sub(/\\/u, '')
      writer << @target
      writer << ' '
      writer << @content
      writer << STOP.sub(/\\/u, '')
    end

    # @return true if other is an Instruction, and the content and target
    # of the other matches the target and content of this object.
    def ==( other )
      other.kind_of? Instruction and
      other.target == @target and
      other.content == @content
    end

    def node_type
      :processing_instruction
    end

    def inspect
      "<?p-i #{target} ...?>"
    end
  end
end

Name	Type	Size	Permission
dtd	Folder		0755
formatters	Folder		0755
light	Folder		0755
parsers	Folder		0755
validation	Folder		0755
attlistdecl.rb	File	1.89 KB	0644
attribute.rb	File	5.39 KB	0644
cdata.rb	File	1.54 KB	0644
child.rb	File	2.63 KB	0644
comment.rb	File	2.14 KB	0644
doctype.rb	File	6.58 KB	0644
document.rb	File	9.52 KB	0644
element.rb	File	43.85 KB	0644
encoding.rb	File	1.13 KB	0644
entity.rb	File	5.53 KB	0644
functions.rb	File	11.27 KB	0644
instruction.rb	File	2.01 KB	0644
namespace.rb	File	1.09 KB	0644
node.rb	File	2.13 KB	0644
output.rb	File	519 B	0644
parent.rb	File	4.33 KB	0644
parseexception.rb	File	1.22 KB	0644
quickpath.rb	File	9.08 KB	0644
rexml.rb	File	1.65 KB	0644
sax2listener.rb	File	3.6 KB	0644
source.rb	File	7.6 KB	0644
streamlistener.rb	File	3.88 KB	0644
syncenumerator.rb	File	685 B	0644
text.rb	File	13.57 KB	0644
undefinednamespaceexception.rb	File	210 B	0644
xmldecl.rb	File	2.68 KB	0644
xmltokens.rb	File	526 B	0644
xpath.rb	File	3.31 KB	0644
xpath_parser.rb	File	25.7 KB	0644

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